Define Observational study

Jen left a job paying $75,000 per year to start her own florist shop in a building she owns. the market value of the building is $120,000. she pays $35,000 per year for flowers and other supplies, and has a bank account that pays 5 percent interest. what is the economic cost of jen's business?

Dakota products has a production budget as follows: may, 16,000 units; june, 19,000 units; and july, 24,000 units. each unit requires 3 pounds of raw material and 2 direct labor hours. dakota desires to keep an inventory of 10% of the next month’s requirements on hand. on may, 1 there were 4,800 pounds of raw material in inventory. direct labor hours required in may would be:

(a) what do you think will happen if the price of non-gm crops continues to rise? why? (b) what will happen if the price of non-gm food drops? why?